watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.4:10411] Modules linked in: irq event stamp: 8948 hardirqs last enabled at (8947): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (8947): [] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (8948): [] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline] hardirqs last disabled at (8948): [] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486 softirqs last enabled at (4474): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (4474): [] __do_softirq+0xc14/0xea0 kernel/softirq.c:600 softirqs last disabled at (4311): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79 CPU: 0 PID: 10411 Comm: syz-executor.4 Not tainted 6.1.37-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : csd_lock_wait kernel/smp.c:413 [inline] pc : smp_call_function_many_cond+0x1b28/0x3270 kernel/smp.c:987 lr : csd_lock_wait kernel/smp.c:413 [inline] lr : smp_call_function_many_cond+0x1b40/0x3270 kernel/smp.c:987 sp : ffff80001fe37160 x29: ffff80001fe374c0 x28: ffff8000155c1130 x27: 1fffe000368b86b8 x26: ffff80001fe372c8 x25: ffff0001b45e7dc8 x24: 0000000000000001 x23: dfff800000000000 x22: ffff0001b45c35c8 x21: 0000000000000011 x20: ffff80001fe372c0 x19: ffff0001b45c35c0 x18: 0000000000000140 x17: ffff80001d74205a x16: ffff80001210accc x15: 0000000000000000 x14: 0000000000000002 x13: 0000000000000001 x12: 0000000000040000 x11: 000000000003ffff x10: ffff80002c203000 x9 : 0000000000000000 x8 : 0000000000000011 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000006 x4 : 0000000000000000 x3 : ffff800008451748 x2 : 0000000000000000 x1 : 0000000000000004 x0 : 0000000000000001 Call trace: __cmpwait_case_32 arch/arm64/include/asm/cmpxchg.h:252 [inline] __cmpwait arch/arm64/include/asm/cmpxchg.h:278 [inline] csd_lock_wait kernel/smp.c:413 [inline] smp_call_function_many_cond+0x1b28/0x3270 kernel/smp.c:987 smp_call_function_many kernel/smp.c:1011 [inline] smp_call_function kernel/smp.c:1033 [inline] kick_all_cpus_sync+0x40/0xa0 kernel/smp.c:1179 flush_icache_range arch/arm64/include/asm/cacheflush.h:103 [inline] bpf_flush_icache arch/arm64/net/bpf_jit_comp.c:1444 [inline] bpf_int_jit_compile+0xb00/0x14ec arch/arm64/net/bpf_jit_comp.c:1574 bpf_prog_select_runtime+0x780/0xa20 kernel/bpf/core.c:2187 bpf_migrate_filter net/core/filter.c:1298 [inline] bpf_prepare_filter+0xdec/0x1064 net/core/filter.c:1346 __get_filter+0x2e8/0x43c net/core/filter.c:1515 sk_attach_filter+0x2c/0x13c net/core/filter.c:1530 sk_setsockopt+0x19d8/0x31c0 net/core/sock.c:1290 sock_setsockopt+0x68/0x80 net/core/sock.c:1538 __sys_setsockopt+0x3f8/0x70c net/socket.c:2248 __do_sys_setsockopt net/socket.c:2263 [inline] __se_sys_setsockopt net/socket.c:2260 [inline] __arm64_sys_setsockopt+0xb8/0xd4 net/socket.c:2260 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581